CBQE-2330 skip scanning latestbuilds page by default.
No need url in params in job in jenkins to install cb build.

Change-Id: I35897d5492aa50d97f9a706b123417b310f7d15e
Reviewed-on: http://review.couchbase.org/39451
Tested-by: Thuan Nguyen <soccon@gmail.com>
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>